Home / 1,091,528.53-1,635,482.77-663,770.42

Finding the Fourth Proportional to 1,091,528.53, 1,635,482.77 and 663,770.42

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Solution

The fourth proportional to 1,091,528.53, 1,635,482.77 and 663,770.42 is: 994,554.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,528.53 : 1,635,482.77 = 663,770.42 : x
  2. Step 2: Convert to fraction form
    1,091,528.53/1,635,482.77 = 663,770.42/x
  3. Step 3: Cross multiply
    1,091,528.53x = 1,635,482.77 × 663,770.42
  4. Step 4: Simplify right side
    1,091,528.53x = 1,085,585,088,530.82
  5. Step 5: Solve for x
    x = 1,085,585,088,530.82/1,091,528.53
  6. Step 6: Final answer
    x = 994,554.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.